Shareholders' Equity - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Changes in Accumulated Other Comprehensive Income [Roll Forward]
Balance at beginning of period	$ 15,284	$ 14,844	$ 15,010	$ 13,794
Balance at end of period	15,412	15,091	15,412	15,091
Accumulated Other Comprehensive Income (Loss)
Changes in Accumulated Other Comprehensive Income [Roll Forward]
Balance at beginning of period	(1,312)	(1,226)	(1,373)	(1,273)
Balance at end of period	(1,302)	(1,402)	(1,302)	(1,402)
Unrealized gain (loss) on hedges
Changes in Accumulated Other Comprehensive Income [Roll Forward]
Balance at beginning of period	(63)	39	(21)	(77)
Other comprehensive income (loss), net of tax	80	(1)	38	114
Balance at end of period	17	38	17	38
Defined benefit plans
Changes in Accumulated Other Comprehensive Income [Roll Forward]
Balance at beginning of period	1	0	1	1
Other comprehensive income (loss), net of tax	0	0	0	0
Balance at end of period	1	0	1	0
Foreign currency translation adjustment
Changes in Accumulated Other Comprehensive Income [Roll Forward]
Balance at beginning of period	(1,250)	(1,265)	(1,352)	(1,197)
Other comprehensive income (loss), net of tax	(70)	(175)	32	(244)
Balance at end of period	$ (1,320)	$ (1,441)	$ (1,320)	$ (1,441)